Class: LicenseFinder::Mix

Inherits:
PackageManager show all
Defined in:
lib/license_finder/package_managers/mix.rb

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from PackageManager

#active?, command_exists?, #current_packages_with_relations, #detected_package_path, installed?, #prepare, takes_priority_over

Constructor Details

#initialize(options = {}) ⇒ Mix

Returns a new instance of Mix.



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# File 'lib/license_finder/package_managers/mix.rb', line 5

def initialize(options = {})
  super
  @command = options[:mix_command] || Mix.package_management_command
  @deps_path = Pathname(options[:mix_deps_dir] || 'deps')
end

Class Method Details

.package_management_command ⇒ Object 



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# File 'lib/license_finder/package_managers/mix.rb', line 36

def self.package_management_command
  'mix'
end

.prepare_command ⇒ Object 



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# File 'lib/license_finder/package_managers/mix.rb', line 40

def self.prepare_command
  'mix deps.get'
end

Instance Method Details

#current_packages ⇒ Object 



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# File 'lib/license_finder/package_managers/mix.rb', line 11

def current_packages
  mix_output.map do |name, version|
    MixPackage.new(
      name,
      version,
      install_path: @deps_path.join(name),
      logger: logger,
      spec_licenses: licenses(name)
    )
  end
end

#licenses(name) ⇒ Object

Adapted from licenser: github.com/unnawut/licensir/blob/71f96f8734adc73c0651050bd9f0e20ff52c61a8/lib/licensir/scanner.ex#L61



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# File 'lib/license_finder/package_managers/mix.rb', line 24

def licenses(name)
  config_path = @deps_path.join(name).join('hex_metadata.config')
  # rubocop:disable Metrics/LineLength
  args = "\\\"#{config_path}\\\" |> :file.consult() |> case do {:ok, metadata} -> metadata; {:error, _} -> [] end |> List.keyfind(\\\"licenses\\\", 0) |> case do {_, licenses} -> licenses; _ -> [] end |> Enum.join(\\\"\\t\\\") |> IO.puts()"
  # rubocop:enable Metrics/LineLength
  command = "#{@command} run --no-start --no-compile -e \"#{args}\""
  stdout, stderr, status = Dir.chdir(project_path) { Cmd.run(command) }
  raise "Command '#{command}' failed to execute: #{stderr}" unless status.success?

  stdout.strip.split("\t")
end

#possible_package_paths ⇒ Object 



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# File 'lib/license_finder/package_managers/mix.rb', line 44

def possible_package_paths
  [project_path.join('mix.exs')]
end